Number of knees with any cartilage loss (≥ half a grade change) between 60 to 84 months by tertiles of daily walking (n = 779). Values are numbers of knees followed by % of 260 knees.
| Variables | < 6078 Steps, n = 260 Knees | 6078–7938 Steps, n = 260 Knees | > 7938 Steps, n = 259 Knees |
|---|---|---|---|
| Lateral* | |||
| Femur lateral central | 13 (5.0) | 15 (5.8) | 12 (4.6) |
| Femur lateral posterior | 6 (2.3) | 9 (3.5) | 6 (2.3) |
| Tibia lateral anterior | 0 (0) | 6 (2.3) | 0 (0) |
| Tibia lateral central | 29 (11.1) | 19 (7.3) | 14 (5.4) |
| Tibia lateral posterior | 21 (8.1) | 15 (5.8) | 17 (6.6) |
| Medial* | |||
| Femur medial central | 32 (12.3) | 26 (10.0) | 28 (10.8) |
| Femur medial posterior | 20 (7.7) | 15 (5.8) | 9 (3.5) |
| Tibia medial anterior | 4 (1.5) | 1 (0.4) | 5 (1.9) |
| Tibia medial central | 35 (13.5) | 12 (4.6) | 25 (9.7) |
| Tibia medial posterior | 13 (5.0) | 5(1.9) | 10(3.8) |
↵* Lateral and medial femoral anterior compartments are omitted because of the lack of loading during walking.